Base | Representation |
---|---|
bin | 100111011011110001… |
… | …111111111101110111 |
3 | 11001021212222122010020 |
4 | 213123301333331313 |
5 | 1143204024214111 |
6 | 31241320300223 |
7 | 3026163154200 |
oct | 473361777567 |
9 | 131255878106 |
10 | 42342023031 |
11 | 16a58a71670 |
12 | 8258311673 |
13 | 3cba34bcc9 |
14 | 20996585a7 |
15 | 117c409906 |
hex | 9dbc7ff77 |
42342023031 has 48 divisors (see below), whose sum is σ = 72713139840. Its totient is φ = 21667504320.
The previous prime is 42342022969. The next prime is 42342023033. The reversal of 42342023031 is 13032024324.
It is not a de Polignac number, because 42342023031 - 26 = 42342022967 is a prime.
It is a super-2 number, since 2×423420230312 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 42342022992 and 42342023010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42342023033) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 87076 + ... + 303753.
It is an arithmetic number, because the mean of its divisors is an integer number (1514857080).
Almost surely, 242342023031 is an apocalyptic number.
42342023031 is a deficient number, since it is larger than the sum of its proper divisors (30371116809).
42342023031 is a wasteful number, since it uses less digits than its factorization.
42342023031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 390924 (or 390917 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 24.
Adding to 42342023031 its reverse (13032024324), we get a palindrome (55374047355).
The spelling of 42342023031 in words is "forty-two billion, three hundred forty-two million, twenty-three thousand, thirty-one".
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